If the road traffic on the streets of Beijing is anything to go by, a boom for Boeing may be a mixed blessing for frequent fliers.
如果北京的公路交通可以引以为鉴，那么对于经常坐飞机的人而言，波音之福未必就是一件幸事。They should look out for cases that involve customer setups that are similar to theirs and use those as references.
他们应该当心牵涉顾客设置跟他们的设置相类似的案例，并引以为鉴。Some shareholders believe London Asia's troubles should serve as a warning that China is still a high-risk territory to invest in.
一些股东认为，对于伦敦亚洲基金遇到的问题，人们应当引以为鉴，明白中国仍然是一个高风险的投资地。But if history -- even including the Great Depression -- is any guide, patient, long-term investors will be rewarded.
不过，如果历史（甚至包括大萧条）能引以为鉴的话，耐心的长线投资者将会获得回报。If Beijing's price control in 2008 is anything to go by, don't expect any serious inflation control just yet.
如果中国2008年的价格管控可以引以为鉴，现在就不要指望政府会拿出任何严肃的通胀抑制措施。Bank conglomerates like Citigroup should take note.
像花旗集团这样的银行集团应该引以为鉴。Beijing would do well to heed these tales of caution.
北京若能将这些经验引以为鉴，可望安然度过。Their peers in the West should heed that example.
他们的西方同仁应当引以为鉴。Lazy people should learn a lesson from the way ants live.
懒惰的人们应该从蚂蚁的生活方式中引以为鉴。